565 lines
12 KiB
C
565 lines
12 KiB
C
// SPDX-License-Identifier: GPL-2.0
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// Copyright (c) 2019 Jaroslav Kysela <perex@perex.cz>
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#include <linux/acpi.h>
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#include <linux/bits.h>
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#include <linux/dmi.h>
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#include <linux/module.h>
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#include <linux/pci.h>
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#include <linux/soundwire/sdw.h>
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#include <linux/soundwire/sdw_intel.h>
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#include <sound/core.h>
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#include <sound/intel-dsp-config.h>
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#include <sound/intel-nhlt.h>
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static int dsp_driver;
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module_param(dsp_driver, int, 0444);
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MODULE_PARM_DESC(dsp_driver, "Force the DSP driver for Intel DSP (0=auto, 1=legacy, 2=SST, 3=SOF)");
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#define FLAG_SST BIT(0)
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#define FLAG_SOF BIT(1)
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#define FLAG_SST_ONLY_IF_DMIC BIT(15)
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#define FLAG_SOF_ONLY_IF_DMIC BIT(16)
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#define FLAG_SOF_ONLY_IF_SOUNDWIRE BIT(17)
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#define FLAG_SOF_ONLY_IF_DMIC_OR_SOUNDWIRE (FLAG_SOF_ONLY_IF_DMIC | \
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FLAG_SOF_ONLY_IF_SOUNDWIRE)
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struct config_entry {
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u32 flags;
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u16 device;
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u8 acpi_hid[ACPI_ID_LEN];
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const struct dmi_system_id *dmi_table;
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};
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/*
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* configuration table
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* - the order of similar PCI ID entries is important!
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* - the first successful match will win
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*/
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static const struct config_entry config_table[] = {
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/* Merrifield */
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#if IS_ENABLED(CONFIG_SND_SOC_SOF_MERRIFIELD)
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{
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.flags = FLAG_SOF,
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.device = 0x119a,
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},
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#endif
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/* Broxton-T */
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#if IS_ENABLED(CONFIG_SND_SOC_SOF_APOLLOLAKE)
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{
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.flags = FLAG_SOF,
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.device = 0x1a98,
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},
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#endif
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/*
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* Apollolake (Broxton-P)
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* the legacy HDAudio driver is used except on Up Squared (SOF) and
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* Chromebooks (SST)
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*/
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#if IS_ENABLED(CONFIG_SND_SOC_SOF_APOLLOLAKE)
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{
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.flags = FLAG_SOF,
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.device = 0x5a98,
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.dmi_table = (const struct dmi_system_id []) {
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{
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.ident = "Up Squared",
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.matches = {
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DMI_MATCH(DMI_SYS_VENDOR, "AAEON"),
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DMI_MATCH(DMI_BOARD_NAME, "UP-APL01"),
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}
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},
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{}
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}
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},
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#endif
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#if IS_ENABLED(CONFIG_SND_SOC_INTEL_APL)
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{
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.flags = FLAG_SST,
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.device = 0x5a98,
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.dmi_table = (const struct dmi_system_id []) {
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{
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.ident = "Google Chromebooks",
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.matches = {
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DMI_MATCH(DMI_SYS_VENDOR, "Google"),
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}
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},
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{}
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}
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},
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#endif
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/*
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* Skylake and Kabylake use legacy HDAudio driver except for Google
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* Chromebooks (SST)
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*/
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/* Sunrise Point-LP */
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#if IS_ENABLED(CONFIG_SND_SOC_INTEL_SKL)
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{
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.flags = FLAG_SST,
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.device = 0x9d70,
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.dmi_table = (const struct dmi_system_id []) {
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{
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.ident = "Google Chromebooks",
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.matches = {
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DMI_MATCH(DMI_SYS_VENDOR, "Google"),
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}
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},
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{}
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}
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},
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{
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.flags = FLAG_SST | FLAG_SST_ONLY_IF_DMIC,
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.device = 0x9d70,
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},
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#endif
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/* Kabylake-LP */
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#if IS_ENABLED(CONFIG_SND_SOC_INTEL_KBL)
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{
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.flags = FLAG_SST,
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.device = 0x9d71,
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.dmi_table = (const struct dmi_system_id []) {
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{
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.ident = "Google Chromebooks",
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.matches = {
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DMI_MATCH(DMI_SYS_VENDOR, "Google"),
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}
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},
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{}
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}
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},
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{
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.flags = FLAG_SST | FLAG_SST_ONLY_IF_DMIC,
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.device = 0x9d71,
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},
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#endif
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/*
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* Geminilake uses legacy HDAudio driver except for Google
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* Chromebooks
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*/
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/* Geminilake */
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#if IS_ENABLED(CONFIG_SND_SOC_SOF_GEMINILAKE)
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{
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.flags = FLAG_SOF,
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.device = 0x3198,
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.dmi_table = (const struct dmi_system_id []) {
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{
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.ident = "Google Chromebooks",
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.matches = {
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DMI_MATCH(DMI_SYS_VENDOR, "Google"),
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}
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},
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{}
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}
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},
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#endif
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/*
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* CoffeeLake, CannonLake, CometLake, IceLake, TigerLake use legacy
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* HDAudio driver except for Google Chromebooks and when DMICs are
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* present. Two cases are required since Coreboot does not expose NHLT
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* tables.
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*
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* When the Chromebook quirk is not present, it's based on information
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* that no such device exists. When the quirk is present, it could be
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* either based on product information or a placeholder.
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*/
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/* Cannonlake */
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#if IS_ENABLED(CONFIG_SND_SOC_SOF_CANNONLAKE)
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{
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.flags = FLAG_SOF,
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.device = 0x9dc8,
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.dmi_table = (const struct dmi_system_id []) {
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{
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.ident = "Google Chromebooks",
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.matches = {
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DMI_MATCH(DMI_SYS_VENDOR, "Google"),
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}
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},
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{}
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}
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},
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{
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.flags = FLAG_SOF | FLAG_SOF_ONLY_IF_DMIC_OR_SOUNDWIRE,
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.device = 0x9dc8,
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},
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#endif
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/* Coffelake */
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#if IS_ENABLED(CONFIG_SND_SOC_SOF_COFFEELAKE)
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{
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.flags = FLAG_SOF,
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.device = 0xa348,
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.dmi_table = (const struct dmi_system_id []) {
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{
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.ident = "Google Chromebooks",
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.matches = {
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DMI_MATCH(DMI_SYS_VENDOR, "Google"),
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}
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},
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{}
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}
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},
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{
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.flags = FLAG_SOF | FLAG_SOF_ONLY_IF_DMIC_OR_SOUNDWIRE,
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.device = 0xa348,
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},
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#endif
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#if IS_ENABLED(CONFIG_SND_SOC_SOF_COMETLAKE)
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/* Cometlake-LP */
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{
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.flags = FLAG_SOF,
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.device = 0x02c8,
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.dmi_table = (const struct dmi_system_id []) {
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{
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.ident = "Google Chromebooks",
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.matches = {
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DMI_MATCH(DMI_SYS_VENDOR, "Google"),
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}
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},
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{
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.matches = {
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DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc"),
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DMI_EXACT_MATCH(DMI_PRODUCT_SKU, "09C6")
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},
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},
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{
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/* early version of SKU 09C6 */
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.matches = {
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DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc"),
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DMI_EXACT_MATCH(DMI_PRODUCT_SKU, "0983")
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},
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},
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{}
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}
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},
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{
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.flags = FLAG_SOF | FLAG_SOF_ONLY_IF_DMIC_OR_SOUNDWIRE,
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.device = 0x02c8,
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},
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/* Cometlake-H */
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{
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.flags = FLAG_SOF,
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.device = 0x06c8,
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.dmi_table = (const struct dmi_system_id []) {
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{
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.matches = {
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DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc"),
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DMI_EXACT_MATCH(DMI_PRODUCT_SKU, "098F"),
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},
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},
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{
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.matches = {
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DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc"),
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DMI_EXACT_MATCH(DMI_PRODUCT_SKU, "0990"),
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},
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},
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{}
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}
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},
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{
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.flags = FLAG_SOF | FLAG_SOF_ONLY_IF_DMIC_OR_SOUNDWIRE,
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.device = 0x06c8,
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},
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#endif
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/* Icelake */
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#if IS_ENABLED(CONFIG_SND_SOC_SOF_ICELAKE)
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{
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.flags = FLAG_SOF,
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.device = 0x34c8,
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.dmi_table = (const struct dmi_system_id []) {
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{
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.ident = "Google Chromebooks",
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.matches = {
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DMI_MATCH(DMI_SYS_VENDOR, "Google"),
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}
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},
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{}
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}
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},
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{
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.flags = FLAG_SOF | FLAG_SOF_ONLY_IF_DMIC_OR_SOUNDWIRE,
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.device = 0x34c8,
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},
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#endif
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/* Tigerlake */
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#if IS_ENABLED(CONFIG_SND_SOC_SOF_TIGERLAKE)
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{
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.flags = FLAG_SOF,
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.device = 0xa0c8,
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.dmi_table = (const struct dmi_system_id []) {
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{
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.ident = "Google Chromebooks",
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.matches = {
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DMI_MATCH(DMI_SYS_VENDOR, "Google"),
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}
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},
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{}
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}
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},
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{
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.flags = FLAG_SOF | FLAG_SOF_ONLY_IF_DMIC_OR_SOUNDWIRE,
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.device = 0xa0c8,
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},
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{
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.flags = FLAG_SOF | FLAG_SOF_ONLY_IF_DMIC_OR_SOUNDWIRE,
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.device = 0x43c8,
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},
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#endif
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/* Elkhart Lake */
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#if IS_ENABLED(CONFIG_SND_SOC_SOF_ELKHARTLAKE)
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{
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.flags = FLAG_SOF | FLAG_SOF_ONLY_IF_DMIC,
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.device = 0x4b55,
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},
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#endif
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/* Alder Lake */
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#if IS_ENABLED(CONFIG_SND_SOC_SOF_ALDERLAKE)
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{
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.flags = FLAG_SOF | FLAG_SOF_ONLY_IF_DMIC_OR_SOUNDWIRE,
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.device = 0x7ad0,
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},
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{
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.flags = FLAG_SOF | FLAG_SOF_ONLY_IF_DMIC_OR_SOUNDWIRE,
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.device = 0x51c8,
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},
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{
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.flags = FLAG_SOF | FLAG_SOF_ONLY_IF_DMIC_OR_SOUNDWIRE,
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.device = 0x51cc,
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},
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#endif
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};
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static const struct config_entry *snd_intel_dsp_find_config
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(struct pci_dev *pci, const struct config_entry *table, u32 len)
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{
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u16 device;
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device = pci->device;
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for (; len > 0; len--, table++) {
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if (table->device != device)
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continue;
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if (table->dmi_table && !dmi_check_system(table->dmi_table))
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continue;
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return table;
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}
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return NULL;
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}
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static int snd_intel_dsp_check_dmic(struct pci_dev *pci)
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{
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struct nhlt_acpi_table *nhlt;
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int ret = 0;
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nhlt = intel_nhlt_init(&pci->dev);
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if (nhlt) {
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if (intel_nhlt_get_dmic_geo(&pci->dev, nhlt))
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ret = 1;
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intel_nhlt_free(nhlt);
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}
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return ret;
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}
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#if IS_ENABLED(CONFIG_SND_SOC_SOF_INTEL_SOUNDWIRE)
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static int snd_intel_dsp_check_soundwire(struct pci_dev *pci)
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{
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struct sdw_intel_acpi_info info;
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acpi_handle handle;
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int ret;
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handle = ACPI_HANDLE(&pci->dev);
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ret = sdw_intel_acpi_scan(handle, &info);
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if (ret < 0)
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return ret;
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return info.link_mask;
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}
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#else
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static int snd_intel_dsp_check_soundwire(struct pci_dev *pci)
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{
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return 0;
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}
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#endif
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int snd_intel_dsp_driver_probe(struct pci_dev *pci)
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{
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const struct config_entry *cfg;
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/* Intel vendor only */
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if (pci->vendor != 0x8086)
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return SND_INTEL_DSP_DRIVER_ANY;
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/*
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* Legacy devices don't have a PCI-based DSP and use HDaudio
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* for HDMI/DP support, ignore kernel parameter
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*/
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switch (pci->device) {
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case 0x160c: /* Broadwell */
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case 0x0a0c: /* Haswell */
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case 0x0c0c:
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case 0x0d0c:
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case 0x0f04: /* Baytrail */
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case 0x2284: /* Braswell */
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return SND_INTEL_DSP_DRIVER_ANY;
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}
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if (dsp_driver > 0 && dsp_driver <= SND_INTEL_DSP_DRIVER_LAST)
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return dsp_driver;
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/*
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* detect DSP by checking class/subclass/prog-id information
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* class=04 subclass 03 prog-if 00: no DSP, use legacy driver
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* class=04 subclass 01 prog-if 00: DSP is present
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* (and may be required e.g. for DMIC or SSP support)
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* class=04 subclass 03 prog-if 80: use DSP or legacy mode
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*/
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if (pci->class == 0x040300)
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return SND_INTEL_DSP_DRIVER_LEGACY;
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if (pci->class != 0x040100 && pci->class != 0x040380) {
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dev_err(&pci->dev, "Unknown PCI class/subclass/prog-if information (0x%06x) found, selecting HDAudio legacy driver\n", pci->class);
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return SND_INTEL_DSP_DRIVER_LEGACY;
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}
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dev_info(&pci->dev, "DSP detected with PCI class/subclass/prog-if info 0x%06x\n", pci->class);
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/* find the configuration for the specific device */
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cfg = snd_intel_dsp_find_config(pci, config_table, ARRAY_SIZE(config_table));
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if (!cfg)
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return SND_INTEL_DSP_DRIVER_ANY;
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if (cfg->flags & FLAG_SOF) {
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if (cfg->flags & FLAG_SOF_ONLY_IF_SOUNDWIRE &&
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snd_intel_dsp_check_soundwire(pci) > 0) {
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dev_info(&pci->dev, "SoundWire enabled on CannonLake+ platform, using SOF driver\n");
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return SND_INTEL_DSP_DRIVER_SOF;
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}
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if (cfg->flags & FLAG_SOF_ONLY_IF_DMIC &&
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snd_intel_dsp_check_dmic(pci)) {
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dev_info(&pci->dev, "Digital mics found on Skylake+ platform, using SOF driver\n");
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return SND_INTEL_DSP_DRIVER_SOF;
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}
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if (!(cfg->flags & FLAG_SOF_ONLY_IF_DMIC_OR_SOUNDWIRE))
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return SND_INTEL_DSP_DRIVER_SOF;
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}
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if (cfg->flags & FLAG_SST) {
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if (cfg->flags & FLAG_SST_ONLY_IF_DMIC) {
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if (snd_intel_dsp_check_dmic(pci)) {
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dev_info(&pci->dev, "Digital mics found on Skylake+ platform, using SST driver\n");
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return SND_INTEL_DSP_DRIVER_SST;
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}
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} else {
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return SND_INTEL_DSP_DRIVER_SST;
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}
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}
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return SND_INTEL_DSP_DRIVER_LEGACY;
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}
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EXPORT_SYMBOL_GPL(snd_intel_dsp_driver_probe);
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/* Should we default to SOF or SST for BYT/CHT ? */
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#if IS_ENABLED(CONFIG_SND_INTEL_BYT_PREFER_SOF) || \
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!IS_ENABLED(CONFIG_SND_SST_ATOM_HIFI2_PLATFORM_ACPI)
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#define FLAG_SST_OR_SOF_BYT FLAG_SOF
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#else
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#define FLAG_SST_OR_SOF_BYT FLAG_SST
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#endif
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/*
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* configuration table
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* - the order of similar ACPI ID entries is important!
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* - the first successful match will win
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*/
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static const struct config_entry acpi_config_table[] = {
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#if IS_ENABLED(CONFIG_SND_SST_ATOM_HIFI2_PLATFORM_ACPI) || \
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IS_ENABLED(CONFIG_SND_SOC_SOF_BAYTRAIL)
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/* BayTrail */
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{
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.flags = FLAG_SST_OR_SOF_BYT,
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.acpi_hid = "80860F28",
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},
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/* CherryTrail */
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{
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.flags = FLAG_SST_OR_SOF_BYT,
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.acpi_hid = "808622A8",
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},
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#endif
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/* Broadwell */
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#if IS_ENABLED(CONFIG_SND_SOC_INTEL_CATPT)
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{
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.flags = FLAG_SST,
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.acpi_hid = "INT3438"
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},
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#endif
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#if IS_ENABLED(CONFIG_SND_SOC_SOF_BROADWELL)
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{
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.flags = FLAG_SOF,
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.acpi_hid = "INT3438"
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},
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#endif
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/* Haswell - not supported by SOF but added for consistency */
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#if IS_ENABLED(CONFIG_SND_SOC_INTEL_CATPT)
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{
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|
.flags = FLAG_SST,
|
|
.acpi_hid = "INT33C8"
|
|
},
|
|
#endif
|
|
};
|
|
|
|
static const struct config_entry *snd_intel_acpi_dsp_find_config(const u8 acpi_hid[ACPI_ID_LEN],
|
|
const struct config_entry *table,
|
|
u32 len)
|
|
{
|
|
for (; len > 0; len--, table++) {
|
|
if (memcmp(table->acpi_hid, acpi_hid, ACPI_ID_LEN))
|
|
continue;
|
|
if (table->dmi_table && !dmi_check_system(table->dmi_table))
|
|
continue;
|
|
return table;
|
|
}
|
|
return NULL;
|
|
}
|
|
|
|
int snd_intel_acpi_dsp_driver_probe(struct device *dev, const u8 acpi_hid[ACPI_ID_LEN])
|
|
{
|
|
const struct config_entry *cfg;
|
|
|
|
if (dsp_driver > SND_INTEL_DSP_DRIVER_LEGACY && dsp_driver <= SND_INTEL_DSP_DRIVER_LAST)
|
|
return dsp_driver;
|
|
|
|
if (dsp_driver == SND_INTEL_DSP_DRIVER_LEGACY) {
|
|
dev_warn(dev, "dsp_driver parameter %d not supported, using automatic detection\n",
|
|
SND_INTEL_DSP_DRIVER_LEGACY);
|
|
}
|
|
|
|
/* find the configuration for the specific device */
|
|
cfg = snd_intel_acpi_dsp_find_config(acpi_hid, acpi_config_table,
|
|
ARRAY_SIZE(acpi_config_table));
|
|
if (!cfg)
|
|
return SND_INTEL_DSP_DRIVER_ANY;
|
|
|
|
if (cfg->flags & FLAG_SST)
|
|
return SND_INTEL_DSP_DRIVER_SST;
|
|
|
|
if (cfg->flags & FLAG_SOF)
|
|
return SND_INTEL_DSP_DRIVER_SOF;
|
|
|
|
return SND_INTEL_DSP_DRIVER_SST;
|
|
}
|
|
EXPORT_SYMBOL_GPL(snd_intel_acpi_dsp_driver_probe);
|
|
|
|
MODULE_LICENSE("GPL v2");
|
|
MODULE_DESCRIPTION("Intel DSP config driver");
|
|
MODULE_IMPORT_NS(SND_INTEL_SOUNDWIRE_ACPI);
|